instituto universitario de lisboa abstract Despite the accumulated evidence that retention is an ineffective and potentially harmful remedial strategy, several countries struggle with high levels of retention in compulsory schooling. This article provides evidence of the impact of the Portuguese national educational policy “Programa Mais Sucesso Escolar” (PMSE) using class size, class compositi...

quality of life of mothers of children with special needs: a qualitative study    yaghmaei f [1] *, sahar m [2]     received: 29 sep , 2013 accepted: 16 nov , 2013   abstract:   background & aims: quality of life (qol) is important in today's society. by qol, the people’s experience of life could be measured. quality of life of mothers with children with special needs is the focus of this ...

serious concerns have been expressed about potential health risks of nano silver containing consumer products (agnps) therefore regulatory health risk assessment on such nanoparticles has become mandatory for the safe use of agnpsinbiomedicalproducts with special concerns to the mutagenic potentials. in this study, we examined the inhibitory and mutagenicity effects of agnps in three different ...